director david petraeus and this woman, the also very much married biographer paula broadwell. you may know the affair came to light after this woman, 37-year- old married tampa mom jill kelley complained to a friend, an f.b.i. agent. that would be this person here that she was receiving threatening e-mails reportedly from broadwell launching an investigation. and that blue the lid on this -- blew the lid on this. general john allen, the top commander in afghanistan, the man who took petraeus's place is now being investigated. seems when the f.b.i. was looking into those e-mails, they also found 20,000 to 30,000 pages back and forth between jill kelley and allen. some say they're potentially inappropriate, maybe crossing the line. some say eastern a dear or sweetheart, there was nothing going o. in another twist, remember the f.b.i. agent, the one that started looking into the threatening e- mails? he's apparently now being investigated for sending shirtless pictures via e-mail over to kelley. he's now off the case. this is jill kelley's twin sister. what does she have to do wi